/* ================= tokens ================= */
:root {
  --bg: #050b16;
  --bg-2: #08121f;
  --surface: rgba(14, 28, 46, 0.6);
  --line: rgba(120, 190, 230, 0.14);
  --text: #e4eef7;
  --text-2: #c3d2df;
  --strong: #ffffff;
  --muted: #8ea3b8;
  --accent: #39d5ff;
  --accent-rgb: 57, 213, 255;
  --on-accent: #031019;
  --glow: 0 0 24px rgba(var(--accent-rgb), 0.45);
  --display: "Michroma", "Inter", sans-serif;
  --sans: "Inter", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --radius: 14px;
  --eco: #3ddc84;
  color-scheme: dark;
}
html[data-accent="violet"] {
  --bg: #0b0716;
  --bg-2: #120b22;
  --surface: rgba(34, 18, 52, 0.6);
  --line: rgba(200, 140, 255, 0.15);
  --accent: #c77dff;
  --accent-rgb: 199, 125, 255;
}

html[data-accent="mono"] {
  --bg: #09090b;
  --bg-2: #111114;
  --surface: rgba(30, 30, 34, 0.6);
  --line: rgba(255, 255, 255, 0.11);
  --accent: #eef1f5;
  --accent-rgb: 238, 241, 245;
  --on-accent: #0a0a0b;
  --glow: 0 0 22px rgba(255, 255, 255, 0.28);
}

/* light theme (hero + instrument screens stay dark via .force-dark) */
html[data-theme="light"] {
  --bg: #f5f8fc;
  --bg-2: #eaf1f8;
  --surface: rgba(255, 255, 255, 0.85);
  --line: rgba(12, 50, 90, 0.12);
  --text: #0c1b2b;
  --text-2: #2b4054;
  --strong: #000;
  --muted: #566b7f;
  --accent: #0a86c2;
  --accent-rgb: 10, 134, 194;
  --on-accent: #fff;
  --glow: 0 0 18px rgba(var(--accent-rgb), 0.25);
  color-scheme: light;
}
html[data-theme="light"][data-accent="violet"] {
  --bg: #faf7fe;
  --bg-2: #f1eafa;
  --line: rgba(80, 30, 130, 0.12);
  --accent: #7c3aed;
  --accent-rgb: 124, 58, 237;
}
html[data-theme="light"] .force-dark {
  --bg: #050b16; --bg-2: #08121f; --surface: rgba(14, 28, 46, 0.6); --line: rgba(120, 190, 230, 0.14);
  --text: #e4eef7; --text-2: #c3d2df; --strong: #fff; --muted: #8ea3b8;
  --accent: #39d5ff; --accent-rgb: 57, 213, 255; --on-accent: #031019;
  --glow: 0 0 24px rgba(var(--accent-rgb), 0.45);
  color-scheme: dark;
}
html[data-theme="light"][data-accent="violet"] .force-dark {
  --bg: #0b0716; --bg-2: #120b22; --surface: rgba(34, 18, 52, 0.6); --line: rgba(200, 140, 255, 0.15);
  --accent: #c77dff; --accent-rgb: 199, 125, 255;
}

html[data-theme="light"][data-accent="mono"] {
  --bg: #fafafa;
  --bg-2: #f1f1f3;
  --line: rgba(0, 0, 0, 0.1);
  --accent: #18181b;
  --accent-rgb: 24, 24, 27;
  --on-accent: #ffffff;
  --glow: 0 0 16px rgba(0, 0, 0, 0.12);
}
html[data-theme="light"][data-accent="mono"] .force-dark {
  --bg: #09090b; --bg-2: #111114; --surface: rgba(30, 30, 34, 0.6); --line: rgba(255, 255, 255, 0.11);
  --accent: #eef1f5; --accent-rgb: 238, 241, 245; --on-accent: #0a0a0b;
  --glow: 0 0 22px rgba(255, 255, 255, 0.28);
}

/* ================= base ================= */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
  transition: background 0.5s, color 0.5s;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
b { color: var(--strong); font-weight: 600; }
.mono { font-family: var(--mono); font-size: 0.78rem; color: var(--muted); }

/* ================= nav ================= */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 20;
  display: flex; align-items: center; gap: 2rem;
  padding: 0.85rem clamp(1rem, 4vw, 3rem);
  color: var(--text);
  background: linear-gradient(var(--bg) 30%, transparent);
  transition: background 0.4s;
}
.brand { color: var(--text); display: flex; align-items: center; gap: 0.85rem; }
.brand:hover { text-decoration: none; }
.logo { width: 42px; height: 42px; color: var(--accent); overflow: visible; filter: drop-shadow(0 0 6px rgba(var(--accent-rgb), 0.55)); transition: filter 0.3s, transform 0.3s; }
.brand:hover .logo { filter: drop-shadow(0 0 12px rgba(var(--accent-rgb), 0.95)); transform: scale(1.06); }
.logo-nodes { fill: var(--strong); }
.logo-m { stroke-dasharray: 80; stroke-dashoffset: 80; animation: draw 1.4s 0.2s ease-out forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
.logo-beam path { opacity: 0.12; animation: beam 2.6s ease-out infinite; }
.logo-beam path:nth-child(2) { animation-delay: 0.18s; }
.logo-beam path:nth-child(3) { animation-delay: 0.36s; }
.logo-beam path:nth-child(4) { animation-delay: 0.54s; }
.logo-beam path:nth-child(5) { animation-delay: 0.72s; }
@keyframes beam { 0% { opacity: 0.12; } 18% { opacity: 1; } 60%, 100% { opacity: 0.12; } }
.brand-text { font-family: var(--display); font-size: 0.82rem; letter-spacing: 0.24em; display: flex; flex-direction: column; gap: 0.2rem; line-height: 1.2; }
/* Systems o--*--o Networks: a tiny link with a packet in flight */
.brand-sub { display: flex; align-items: center; gap: 0.5rem; font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted); }
.brand-link { position: relative; display: inline-block; width: 28px; height: 1px; background: rgba(var(--accent-rgb), 0.45); }
.brand-link::before, .brand-link::after { content: ""; position: absolute; top: -2px; width: 5px; height: 5px; border-radius: 50%; border: 1px solid var(--accent); background: var(--bg); box-sizing: border-box; }
.brand-link::before { left: -3px; }
.brand-link::after { right: -3px; }
.brand-link span { position: absolute; top: -1.5px; left: 2px; width: 4px; height: 4px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 6px var(--accent); animation: pkt 1.8s ease-in-out infinite alternate; }
@keyframes pkt { to { left: calc(100% - 6px); } }
.nav nav { display: flex; gap: 1.6rem; margin-left: auto; }
.nav nav a { color: var(--muted); font-size: 0.85rem; letter-spacing: 0.04em; position: relative; }
.nav nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -4px; height: 1px; background: var(--accent); transform: scaleX(0); transition: transform 0.25s; }
.nav nav a:hover { color: var(--text); text-decoration: none; }
.nav nav a:hover::after { transform: scaleX(1); }

/* ================= hero ================= */
.hero {
  position: relative; min-height: 100vh; min-height: 100svh;
  display: grid; place-items: center; text-align: center; overflow: hidden;
  background: radial-gradient(ellipse at 50% 40%, rgba(var(--accent-rgb), 0.12), transparent 60%), var(--bg);
  color: var(--text);
}
#heroCanvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-inner { position: relative; z-index: 2; padding: 6rem 1rem 4rem; max-width: 1100px; }
.hero h1 {
  font-family: var(--display); font-weight: 400; text-transform: uppercase;
  font-size: clamp(1.8rem, 6vw, 4.6rem); line-height: 1.15; margin: 0;
  letter-spacing: 0.02em; color: var(--strong);
  text-shadow: 0 0 18px rgba(var(--accent-rgb), 0.55), 0 0 60px rgba(var(--accent-rgb), 0.25);
}
.hero h1 .small { display: block; font-size: 0.5em; letter-spacing: 0.12em; margin-bottom: 0.4em; }
.lede { max-width: 640px; margin: 1.8rem auto 0; color: var(--text-2); font-size: 1.08rem; }
.cta { display: flex; gap: 0.8rem; justify-content: center; flex-wrap: wrap; margin-top: 2rem; }
.btn {
  display: inline-block; padding: 0.7rem 1.3rem; border-radius: 99px;
  border: 1px solid rgba(var(--accent-rgb), 0.4); color: var(--text);
  font-size: 0.9rem; font-weight: 500; transition: 0.2s;
}
.btn:hover { text-decoration: none; border-color: var(--accent); box-shadow: var(--glow); }
.btn.primary { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
.btn[aria-disabled="true"] { opacity: 0.45; cursor: default; pointer-events: none; }
.scroll-cue {
  position: absolute; bottom: 2rem; left: 50%; z-index: 2; width: 22px; height: 36px;
  border: 1px solid var(--muted); border-radius: 12px; transform: translateX(-50%);
}
.scroll-cue::after {
  content: ""; position: absolute; left: 50%; top: 7px; width: 3px; height: 7px;
  background: var(--accent); border-radius: 2px; transform: translateX(-50%);
  animation: cue 1.8s infinite;
}
@keyframes cue { 0% { opacity: 0; transform: translate(-50%, 0); } 40% { opacity: 1; } 100% { opacity: 0; transform: translate(-50%, 12px); } }

/* ================= sections ================= */
.section { padding: clamp(4rem, 9vw, 7rem) 0; position: relative; }
.section.alt { background: var(--bg-2); border-block: 1px solid var(--line); }
.wrap { width: min(1160px, 100% - 2rem); margin-inline: auto; }
.sec-head { margin-bottom: 2.5rem; max-width: 680px; }
.sec-num { font-family: var(--mono); font-size: 0.75rem; color: var(--accent); letter-spacing: 0.2em; }
.sec-head h2 { font-family: var(--display); font-weight: 400; font-size: clamp(1.4rem, 3vw, 2rem); margin: 0.4rem 0 0.6rem; letter-spacing: 0.03em; }
.sec-head p { color: var(--muted); margin: 0; }

/* BUC-6G stack panel */
.stack-panel {
  display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(1.5rem, 4vw, 3.5rem); align-items: center;
  margin-bottom: 2rem; padding: clamp(1.5rem, 4vw, 3rem);
  border: 1px solid var(--line); border-radius: var(--radius);
  background:
    radial-gradient(ellipse at 85% 50%, rgba(var(--accent-rgb), 0.16), transparent 60%),
    radial-gradient(circle, rgba(var(--accent-rgb), 0.12) 1px, transparent 1.5px) 0 0 / 14px 14px,
    var(--bg-2);
  box-shadow: 0 30px 80px -40px rgba(var(--accent-rgb), 0.45);
}
.stack-tag { font-family: var(--display); font-size: 0.75rem; letter-spacing: 0.35em; color: var(--accent); margin: 0; }
.stack-copy h3 { font-family: var(--display); font-weight: 400; font-size: clamp(1.15rem, 2.4vw, 1.6rem); line-height: 1.4; margin: 0.8rem 0 1rem; }
.stack-copy p:last-child { color: var(--muted); margin: 0; }
.stack { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.55rem; position: relative; }
.stack::before {
  content: ""; position: absolute; left: 4.7rem; top: 0; bottom: 0; width: 1px;
  background: linear-gradient(transparent, rgba(var(--accent-rgb), 0.6), transparent);
}
.stack::after {
  content: ""; position: absolute; left: calc(4.7rem - 2px); top: 0; width: 5px; height: 18px; border-radius: 3px;
  background: var(--accent); box-shadow: var(--glow); animation: bus 3.2s ease-in-out infinite alternate;
}
@keyframes bus { from { top: 0; } to { top: calc(100% - 18px); } }
.stack li {
  display: flex; align-items: center; gap: 1rem; padding: 0.8rem 1rem;
  border: 1px solid var(--line); border-radius: 10px; background: rgba(var(--accent-rgb), 0.04);
  transition: 0.25s;
}
.stack li:hover { border-color: rgba(var(--accent-rgb), 0.55); background: rgba(var(--accent-rgb), 0.1); transform: translateX(4px); }
.stack span { width: 3.2rem; font-family: var(--display); font-size: 0.72rem; letter-spacing: 0.1em; color: var(--accent); }
.stack em { font-style: normal; font-size: 0.88rem; color: var(--text-2); }

.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1rem; }
.theme, .project, .lab-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.4rem; transition: border-color 0.25s, transform 0.25s;
}
.theme:hover, .project:hover { border-color: rgba(var(--accent-rgb), 0.5); transform: translateY(-3px); }
.theme-ico { color: var(--accent); font-size: 1.3rem; }
.theme h3 { font-size: 1rem; margin: 0.6rem 0 0.4rem; }
.theme p { margin: 0; color: var(--muted); font-size: 0.92rem; }

/* projects */
.projects { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1rem; }
.project header { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; }
.project .pname { font-family: var(--display); font-size: 0.95rem; letter-spacing: 0.06em; }
.project .period { font-family: var(--mono); font-size: 0.72rem; color: var(--muted); white-space: nowrap; }
.project h3 { font-size: 0.98rem; font-weight: 500; color: var(--text-2); margin: 0.4rem 0 0.6rem; }
.project p { color: var(--muted); font-size: 0.9rem; margin: 0 0 1rem; }
.status { display: inline-flex; align-items: center; gap: 0.35rem; font-family: var(--mono); font-size: 0.68rem; color: var(--accent); margin-left: 0.6rem; }
.status::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: pulse 1.6s infinite; }
@keyframes pulse { 50% { opacity: 0.25; } }
.tags { display: flex; flex-wrap: wrap; gap: 0.4rem; padding: 0; margin: 0; list-style: none; }
.tags li { font-family: var(--mono); font-size: 0.7rem; padding: 0.15rem 0.55rem; border-radius: 6px; background: rgba(var(--accent-rgb), 0.1); color: var(--accent); }
.more { display: inline-block; margin-top: 1rem; font-size: 0.85rem; }

/* placeholders */
.soon {
  list-style: none; display: flex; flex-direction: column; justify-content: flex-end; gap: 0.3rem;
  min-height: 170px; padding: 1.4rem; border-radius: var(--radius);
  border: 1px dashed rgba(var(--accent-rgb), 0.3);
  background: repeating-linear-gradient(135deg, transparent 0 14px, rgba(var(--accent-rgb), 0.035) 14px 28px);
}
.soon p { margin: 0; color: var(--muted); }
.soon-n { font-family: var(--display); font-size: 1.6rem; color: rgba(var(--accent-rgb), 0.35); margin-bottom: auto; }
.reading .soon { min-height: 120px; }

/* lab */
.lab-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1rem; }
.lab-top { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 0.8rem; }
.lab-top h3 { margin: 0; font-size: 1rem; }
.lab-card canvas { width: 100%; height: auto; display: block; border-radius: 10px; background: #060d18; }
.controls { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 1rem; }
.controls label { font-size: 0.8rem; color: var(--muted); display: flex; flex-direction: column; gap: 0.3rem; }
.controls output { font-family: var(--mono); color: var(--text); }
.controls label.readout output { font-size: 1.1rem; color: var(--accent); }
input[type="range"] { accent-color: var(--accent); width: 100%; }

/* publications */
.pubs { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.2rem; }
.pubs li { display: grid; grid-template-columns: 4.5rem 1fr; gap: 1rem; padding: 1.1rem 0; border-bottom: 1px solid var(--line); }
.pubs .yr { font-family: var(--display); font-size: 0.85rem; color: var(--accent); padding-top: 0.15rem; }
.pubs .t { font-weight: 500; color: var(--text); display: block; }
.pubs .a { color: var(--muted); font-size: 0.88rem; }
.pubs .v { font-family: var(--mono); font-size: 0.72rem; color: var(--muted); margin-top: 0.3rem; }

/* news */
.two-col { display: grid; grid-template-columns: 1.4fr 1fr; gap: 3rem; }
.timeline { list-style: none; margin: 0; padding: 0 0 0 1.2rem; border-left: 1px solid var(--line); }
.timeline li { position: relative; padding: 0 0 1.6rem 0.6rem; }
.timeline li::before {
  content: ""; position: absolute; left: -1.55rem; top: 0.45rem; width: 9px; height: 9px; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--accent);
}
.timeline li:first-child::before { background: var(--accent); box-shadow: var(--glow); }
.timeline .meta { font-family: var(--mono); font-size: 0.72rem; color: var(--muted); }
.timeline .meta span { color: var(--accent); margin-left: 0.6rem; }
.timeline p { margin: 0.2rem 0 0; color: var(--text-2); font-size: 0.94rem; }
.reading { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.7rem; }
.reading a { display: block; padding: 1rem 1.1rem; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); color: var(--text); transition: 0.2s; }
.reading a:hover { text-decoration: none; border-color: rgba(var(--accent-rgb), 0.5); }
.reading .org { display: block; font-family: var(--mono); font-size: 0.68rem; color: var(--accent); letter-spacing: 0.06em; text-transform: uppercase; }
.reading .ttl { font-size: 0.9rem; }

/* contact */
.contact { text-align: center; background: radial-gradient(ellipse at 50% 100%, rgba(var(--accent-rgb), 0.15), transparent 60%); }
.contact .kicker { font-family: var(--display); font-size: 0.72rem; letter-spacing: 0.4em; text-transform: uppercase; color: var(--muted); margin: 0 0 1.2rem; }
.contact h2 { font-family: var(--display); font-weight: 400; font-size: clamp(1.2rem, 3vw, 1.8rem); max-width: 720px; margin: 0 auto; line-height: 1.5; }
.foot { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem; padding: 1.5rem clamp(1rem, 4vw, 3rem); border-top: 1px solid var(--line); color: var(--muted); font-size: 0.8rem; }
.eco-badge { color: var(--eco); display: none; }
html[data-eco="on"] .eco-badge { display: inline; }

/* ================= right-side dock ================= */
.dock {
  position: fixed; right: 14px; top: 50%; transform: translateY(-50%); z-index: 30;
  display: flex; flex-direction: column; gap: 6px; padding: 6px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 99px;
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 10px 30px -12px rgba(0, 0, 0, 0.5);
}
.dock button {
  position: relative; width: 38px; height: 38px; border-radius: 50%; border: 0; padding: 0;
  display: grid; place-items: center; cursor: pointer;
  background: transparent; color: var(--text); transition: background 0.2s, transform 0.2s;
}
.dock button:hover { background: rgba(var(--accent-rgb), 0.14); transform: scale(1.08); }
.dock button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.dock svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.dock [data-tip]::after {
  content: attr(data-tip); position: absolute; right: calc(100% + 12px); top: 50%; transform: translateY(-50%) translateX(6px);
  white-space: nowrap; font: 500 0.72rem var(--mono); color: var(--text);
  background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 0.3rem 0.6rem;
  opacity: 0; pointer-events: none; transition: 0.2s; backdrop-filter: blur(10px);
}
.dock button:hover::after, .dock button:focus-visible::after { opacity: 1; transform: translateY(-50%); }
.mode-ico { display: none; }
html[data-mode="system"] .mode-ico.system, html[data-mode="light"] .mode-ico.light, html[data-mode="dark"] .mode-ico.dark { display: block; }
.accent-dot { width: 16px; height: 16px; border-radius: 50%; background: conic-gradient(#39d5ff 0 50%, #c77dff 50% 80%, #eef1f5 80%); box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.25); }
html[data-accent="violet"] .accent-dot { background: conic-gradient(#c77dff 0 50%, #eef1f5 50% 80%, #39d5ff 80%); }
html[data-accent="mono"] .accent-dot { background: conic-gradient(#eef1f5 0 50%, #39d5ff 50% 80%, #c77dff 80%); }
#ecoBtn .leaf { transition: transform 0.4s; }
html[data-eco="on"] #ecoBtn { color: var(--eco); background: rgba(61, 220, 132, 0.15); box-shadow: 0 0 14px rgba(61, 220, 132, 0.35); }
html[data-eco="on"] #ecoBtn .leaf { transform: rotate(-14deg); }
.dock-sep { height: 1px; margin: 0 8px; background: var(--line); }

/* toast */
.toast {
  position: fixed; left: 50%; bottom: 24px; z-index: 40; transform: translate(-50%, 140%);
  display: flex; align-items: center; gap: 0.8rem;
  max-width: min(92vw, 460px); padding: 0.75rem 1.1rem; border-radius: 99px;
  background: var(--surface); color: var(--text); border: 1px solid var(--line);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  font-size: 0.88rem; box-shadow: 0 16px 40px -16px rgba(0, 0, 0, 0.6);
  transition: transform 0.35s cubic-bezier(.2, .9, .3, 1.3), opacity 0.25s, visibility 0.35s;
}
.toast { opacity: 0; visibility: hidden; }
.toast.show { transform: translate(-50%, 0); opacity: 1; visibility: visible; }
.toast button { border: 0; border-radius: 99px; padding: 0.3rem 0.8rem; background: var(--eco); color: #04160b; font: 600 0.78rem var(--sans); cursor: pointer; }

/* reveal */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.7s, transform 0.7s; }
.reveal.in { opacity: 1; transform: none; }

/* ================= eco / power saving ================= */
html[data-eco="on"] { scroll-behavior: auto; }
html[data-eco="on"] *, html[data-eco="on"] *::before, html[data-eco="on"] *::after {
  animation: none !important; transition: none !important;
}
html[data-eco="on"] .logo-m { stroke-dashoffset: 0; }
html[data-eco="on"] .logo-beam path { opacity: 0.55; }
html[data-eco="on"] .reveal { opacity: 1; transform: none; }
html[data-eco="on"] .nav, html[data-eco="on"] .dock, html[data-eco="on"] .toast { backdrop-filter: none; -webkit-backdrop-filter: none; }

/* ================= responsive ================= */
@media (max-width: 860px) {
  .nav nav { display: none; }
  .logo { width: 36px; height: 36px; }
  .brand-sub { font-size: 0.55rem; }
  .two-col, .stack-panel { grid-template-columns: 1fr; }
  .controls { grid-template-columns: 1fr; }
  .lab-grid, .projects { grid-template-columns: 1fr; }
  .pubs li { grid-template-columns: 1fr; gap: 0.2rem; }
  .dock { top: auto; bottom: 16px; right: 12px; transform: none; }
  .dock [data-tip]::after { display: none; }
  .toast { bottom: 88px; }
}
@media (max-height: 860px) { .scroll-cue { display: none; } }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .scroll-cue::after, .status::before, .stack::after, .logo-beam path, .brand-link span { animation: none; }
  .logo-m { animation: none; stroke-dashoffset: 0; }
}

/* ================= hero sky scene ================= */
.sky { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 1; color: var(--accent); pointer-events: none; overflow: visible; }
.sky text { font-family: var(--mono); font-size: 13px; letter-spacing: 0.12em; fill: currentColor; }
.sky .tag { text-anchor: middle; font-size: 12px; opacity: 0.8; }
.ruler path { stroke: rgba(var(--accent-rgb), 0.35); stroke-width: 1; fill: none; }
.ruler text { fill: rgba(var(--accent-rgb), 0.6); font-size: 11px; }
.orbit { fill: none; stroke: rgba(var(--accent-rgb), 0.25); stroke-width: 1.2; stroke-dasharray: 2 8; }
.orbiter { transform-box: view-box; transform-origin: 800px 1830px; animation: orbit 70s linear infinite; }
.orbiter.late { animation-delay: -35s; }
@keyframes orbit { /* fade in/out at the horizon so satellites never cross the HAPS */
  0% { transform: rotate(-28deg); opacity: 0; } 25%, 75% { opacity: 1; } 100% { transform: rotate(28deg); opacity: 0; } }
.st-body rect, .st-body circle { fill: rgba(var(--accent-rgb), 0.18); stroke: currentColor; stroke-width: 1.4; }
.st-body path, .hp-cells { stroke: currentColor; stroke-width: 1; fill: none; opacity: 0.7; }
.links path { fill: none; stroke: currentColor; stroke-width: 1.4; stroke-dasharray: 3 9; opacity: 0.6; animation: flow 1.4s linear infinite; }
@keyframes flow { to { stroke-dashoffset: -24; } }
.float { animation: bob 4.5s ease-in-out infinite; }
.float.late { animation-delay: -2.2s; }
.float.slow { animation: drift 14s ease-in-out infinite; }
@keyframes bob { 50% { transform: translateY(-12px); } }
@keyframes drift { 50% { transform: translate(26px, -8px); } }
.hp-body path, .hp-body rect { fill: rgba(var(--accent-rgb), 0.16); stroke: currentColor; stroke-width: 1.4; stroke-linejoin: round; }
.hp-prop path, .dr-frame path { stroke: currentColor; stroke-width: 1.6; fill: none; stroke-linecap: round; }
.dr-frame rect { fill: rgba(var(--accent-rgb), 0.2); stroke: currentColor; stroke-width: 1.4; }
.dr-rotor ellipse { fill: rgba(var(--accent-rgb), 0.25); stroke: currentColor; stroke-width: 0.8; transform-box: fill-box; transform-origin: center; animation: spin 0.18s linear infinite alternate; }
@keyframes spin { to { transform: scaleX(0.35); } }
.dr-led { fill: #fff; animation: blink 1.2s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0.2; } }
.horizon { fill: url(#horizon); }
.traces path { fill: none; stroke: rgba(var(--accent-rgb), 0.55); stroke-width: 1.4; }
.tw-frame path { stroke: currentColor; stroke-width: 2; fill: none; stroke-linejoin: round; }
.tw-frame .tw-brace { stroke-width: 0.9; opacity: 0.55; }
.tw-panel rect, .tw-panel circle { fill: rgba(var(--accent-rgb), 0.22); stroke: currentColor; stroke-width: 1.4; }
.tw-wave path { fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; opacity: 0.1; animation: tw 2.4s ease-out infinite; }
.tw-wave path:nth-child(2) { animation-delay: 0.3s; }
.tw-wave path:nth-child(3) { animation-delay: 0.6s; }
@keyframes tw { 15% { opacity: 1; } 70%, 100% { opacity: 0.08; } }
.tw-beacon { fill: #ff5a6e; animation: blink 1.6s steps(2) infinite; }
.edge rect { fill: rgba(var(--accent-rgb), 0.12); stroke: currentColor; stroke-width: 1.3; }
.edge .leds { stroke: currentColor; stroke-width: 2.5; stroke-linecap: round; animation: blink 0.9s steps(2) infinite; }
.chip rect { fill: rgba(var(--accent-rgb), 0.3); }
.chip path { stroke: currentColor; stroke-width: 1.6; }
.chip text { text-anchor: middle; font-family: var(--display); font-size: 13px; fill: #fff; letter-spacing: 0.05em; }
.chip { animation: bob 3.2s ease-in-out infinite; }
.hero-inner { z-index: 3; }

/* ================= blog ================= */
.blog-card {
  display: block; max-width: 760px; padding: clamp(1.4rem, 3vw, 2rem); color: var(--text);
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface);
  position: relative; overflow: hidden; transition: border-color 0.25s, transform 0.25s;
}
.blog-card::after { content: ""; position: absolute; right: -60px; top: -60px; width: 200px; height: 200px; border-radius: 50%; background: radial-gradient(rgba(var(--accent-rgb), 0.25), transparent 70%); }
.blog-card:hover { text-decoration: none; border-color: rgba(var(--accent-rgb), 0.55); transform: translateY(-3px); }
.blog-card h3 { font-family: var(--display); font-weight: 400; font-size: clamp(1.05rem, 2.2vw, 1.35rem); line-height: 1.45; margin: 0.6rem 0; }
.blog-card p { color: var(--muted); margin: 0; }
.blog-meta { font-family: var(--mono); font-size: 0.72rem; color: var(--accent); letter-spacing: 0.08em; }

.post-hero {
  padding: 9rem 0 4rem; position: relative; overflow: hidden; color: var(--text);
  background: radial-gradient(ellipse at 70% 0%, rgba(var(--accent-rgb), 0.22), transparent 60%),
    radial-gradient(circle, rgba(var(--accent-rgb), 0.12) 1px, transparent 1.5px) 0 0 / 16px 16px, var(--bg);
}
.post-hero h1 { font-family: var(--display); font-weight: 400; font-size: clamp(1.6rem, 4.4vw, 2.8rem); line-height: 1.3; margin: 0.8rem 0 1rem; max-width: 900px; color: var(--strong); }
.post-hero p { color: var(--text-2); max-width: 680px; margin: 0; font-size: 1.08rem; }
.crumbs { font-family: var(--mono); font-size: 0.75rem; color: var(--muted); }
.crumbs a { color: var(--accent); }
.prose { max-width: 760px; margin-inline: auto; font-size: 1.04rem; }
.prose h2 { font-family: var(--display); font-weight: 400; font-size: clamp(1.2rem, 2.6vw, 1.55rem); margin: 3rem 0 1rem; line-height: 1.4; }
.prose h3 { font-size: 1.05rem; margin: 2rem 0 0.5rem; }
.prose p, .prose li { color: var(--text-2); }
.prose li + li { margin-top: 0.4rem; }
.prose blockquote { margin: 2rem 0; padding: 1rem 1.4rem; border-left: 3px solid var(--accent); background: rgba(var(--accent-rgb), 0.06); border-radius: 0 10px 10px 0; color: var(--text); }
.prose .note { font-size: 0.85rem; color: var(--muted); }
.scenarios { list-style: none; padding: 0; margin: 1.5rem 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0.8rem; }
.scenarios li { margin: 0; padding: 1.1rem 1.2rem; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.scenarios li.new { border-color: rgba(var(--accent-rgb), 0.5); }
.scenarios b { display: block; font-size: 0.95rem; }
.scenarios small { font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.08em; color: var(--accent); text-transform: uppercase; }
.scenarios span { display: block; font-size: 0.88rem; color: var(--muted); margin-top: 0.35rem; }
.wheel { display: block; width: min(440px, 100%); margin: 1.5rem auto; color: var(--accent); }
.wheel text { font-family: var(--mono); font-size: 10px; fill: var(--text); text-anchor: middle; }
.wheel .hub { font-family: var(--display); font-size: 13px; fill: var(--accent); }
.table-wrap { overflow-x: auto; margin: 1.5rem 0; border: 1px solid var(--line); border-radius: 12px; }
.prose table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.prose th, .prose td { padding: 0.7rem 0.9rem; text-align: left; border-bottom: 1px solid var(--line); }
.prose th { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); background: rgba(var(--accent-rgb), 0.05); }
.prose td:nth-child(2) { font-family: var(--mono); color: var(--accent); white-space: nowrap; }
.prose tr:last-child td { border-bottom: 0; }
.post-foot { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--line); }
.posts { list-style: none; padding: 0; margin: 0; display: grid; gap: 1rem; }
.wheel .w-old { fill: rgba(var(--accent-rgb), 0.06); }
.wheel .w-new { fill: rgba(var(--accent-rgb), 0.3); }
.wheel .w-hub { fill: rgba(var(--accent-rgb), 0.14); }

/* ================= nav: glass on scroll, active link, mobile menu ================= */
.nav { border-bottom: 1px solid transparent; transition: background 0.3s, border-color 0.3s, padding 0.3s; }
.nav.scrolled {
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(14px) saturate(140%); -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--line); padding-block: 0.55rem;
}
.nav nav a.active { color: var(--text); }
.nav nav a.active::after { transform: scaleX(1); }
.menu-btn { display: none; margin-left: auto; width: 42px; height: 42px; border-radius: 12px; border: 1px solid var(--line); background: var(--surface); cursor: pointer; padding: 0; position: relative; }
.menu-btn span { position: absolute; left: 11px; right: 11px; height: 2px; border-radius: 2px; background: var(--text); transition: transform 0.25s, opacity 0.2s, top 0.25s; }
.menu-btn span:nth-child(1) { top: 14px; } .menu-btn span:nth-child(2) { top: 20px; } .menu-btn span:nth-child(3) { top: 26px; }
.nav.open .menu-btn span:nth-child(1) { top: 20px; transform: rotate(45deg); }
.nav.open .menu-btn span:nth-child(2) { opacity: 0; }
.nav.open .menu-btn span:nth-child(3) { top: 20px; transform: rotate(-45deg); }

/* ================= profile icons ================= */
.social { list-style: none; display: flex; gap: 0.55rem; padding: 0; margin: 0; }
.social a {
  position: relative; display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%;
  color: var(--text-2); border: 1px solid var(--line); background: var(--surface); transition: 0.2s;
}
.social a:hover { color: var(--accent); border-color: rgba(var(--accent-rgb), 0.6); box-shadow: var(--glow); transform: translateY(-2px); text-decoration: none; }
.social svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.social a::after {
  content: attr(data-tip); position: absolute; bottom: calc(100% + 8px); left: 50%; transform: translate(-50%, 4px);
  white-space: nowrap; font: 500 0.68rem var(--mono); color: var(--text); background: var(--surface);
  border: 1px solid var(--line); border-radius: 6px; padding: 0.2rem 0.5rem; opacity: 0; pointer-events: none; transition: 0.2s;
}
.social a:hover::after, .social a:focus-visible::after { opacity: 1; transform: translate(-50%, 0); }
.hero-social { justify-content: center; margin-top: 1.6rem; }
.foot-social a { width: 34px; height: 34px; }
.foot-social svg { width: 15px; height: 15px; }
.foot { align-items: center; }
.aff { color: var(--text); border-bottom: 1px dashed rgba(var(--accent-rgb), 0.6); }
.aff:hover { color: var(--accent); text-decoration: none; }
.address { margin: 1.5rem 0 0; font-family: var(--mono); font-size: 0.75rem; color: var(--muted); letter-spacing: 0.04em; }

@media (max-width: 860px) {
  .menu-btn { display: block; }
  .nav nav#navLinks {
    display: flex; flex-direction: column; gap: 0; position: absolute; top: calc(100% + 6px); right: 12px; left: 12px; margin: 0;
    padding: 0.5rem; border-radius: 16px; border: 1px solid var(--line);
    background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.6);
    opacity: 0; transform: translateY(-8px) scale(0.98); pointer-events: none; transition: 0.22s;
  }
  .nav.open nav#navLinks { opacity: 1; transform: none; pointer-events: auto; }
  .nav nav#navLinks a { padding: 0.85rem 1rem; border-radius: 10px; font-size: 1rem; color: var(--text); }
  .nav nav#navLinks a::after { display: none; }
  .nav nav#navLinks a.active { background: rgba(var(--accent-rgb), 0.12); color: var(--accent); }
  .foot { justify-content: center; text-align: center; }
}
html[data-eco="on"] .nav.scrolled { background: var(--bg); }

/* ================= life: hobbies + gallery ================= */
.hobbies { list-style: none; display: flex; flex-wrap: wrap; gap: 0.5rem; padding: 0; margin: 0 0 1.5rem; }
.hobbies li { padding: 0.45rem 0.9rem; border-radius: 99px; border: 1px solid var(--line); background: var(--surface); font-size: 0.88rem; color: var(--text-2); }
.filters { display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 0 0 1.4rem; }
.filters[hidden] { display: none; }
.filters button {
  border: 1px solid var(--line); background: transparent; color: var(--muted); cursor: pointer;
  padding: 0.4rem 0.95rem; border-radius: 99px; font: 500 0.78rem var(--mono); letter-spacing: 0.04em; transition: 0.2s;
}
.filters button:hover { color: var(--text); border-color: rgba(var(--accent-rgb), 0.5); }
.filters button[aria-selected="true"] { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.gallery { columns: 3 260px; column-gap: 1rem; }
.tile {
  position: relative; margin: 0 0 1rem; break-inside: avoid; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); background: var(--surface); cursor: zoom-in; isolation: isolate;
}
.tile img { display: block; width: 100%; height: auto; transition: transform 0.6s cubic-bezier(.2, .7, .2, 1); }
.tile:hover img, .tile:focus-visible img { transform: scale(1.05); }
.tile:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.tile figcaption {
  position: absolute; inset: auto 0 0 0; padding: 2.2rem 1rem 0.9rem; color: #fff; font-weight: 500; font-size: 0.92rem;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.78));
  opacity: 0; transform: translateY(8px); transition: 0.3s;
}
.tile figcaption small, .lightbox figcaption small { display: block; font: 400 0.7rem var(--mono); letter-spacing: 0.05em; color: rgba(255, 255, 255, 0.7); margin-top: 0.2rem; }
.tile:hover figcaption, .tile:focus-visible figcaption { opacity: 1; transform: none; }
@media (hover: none) { .tile figcaption { opacity: 1; transform: none; } }
.soon-tile { cursor: default; aspect-ratio: 4 / 3; display: grid; place-items: center; border-style: dashed; border-color: rgba(var(--accent-rgb), 0.3);
  background: radial-gradient(circle at 30% 20%, rgba(var(--accent-rgb), 0.14), transparent 60%),
    repeating-linear-gradient(135deg, transparent 0 14px, rgba(var(--accent-rgb), 0.035) 14px 28px), var(--surface); }
.soon-tile.tall { aspect-ratio: 3 / 4; }
.soon-ico { font-size: 2.4rem; filter: grayscale(0.2); transition: transform 0.4s; }
.soon-tile:hover .soon-ico { transform: scale(1.15) rotate(-6deg); }
.soon-tile figcaption { opacity: 1; transform: none; background: none; color: var(--text); text-align: center; padding-bottom: 1.1rem; }
.soon-tile figcaption small { color: var(--muted); }

.lightbox {
  width: 100vw; height: 100vh; max-width: none; max-height: none; margin: 0; padding: 0; border: 0;
  background: rgba(3, 7, 14, 0.94); color: #fff; display: none; place-items: center;
}
.lightbox[open] { display: grid; animation: lbIn 0.25s ease-out; }
.lightbox::backdrop { background: transparent; }
@keyframes lbIn { from { opacity: 0; } }
.lightbox figure { margin: 0; max-width: min(92vw, 1400px); text-align: center; }
.lightbox img { max-width: 100%; max-height: 82vh; border-radius: 12px; box-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.8); }
.lightbox figcaption { margin-top: 0.9rem; font-weight: 500; }
.lb-close, .lb-nav {
  position: fixed; z-index: 2; display: grid; place-items: center; width: 48px; height: 48px; border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2); background: rgba(255, 255, 255, 0.08); color: #fff; font-size: 1.6rem; cursor: pointer;
  backdrop-filter: blur(8px); transition: 0.2s;
}
.lb-close { top: 18px; right: 18px; font-size: 1.1rem; }
.lb-nav { top: 50%; transform: translateY(-50%); }
.lb-nav.prev { left: 18px; } .lb-nav.next { right: 18px; }
.lb-close:hover, .lb-nav:hover { background: rgba(var(--accent-rgb), 0.3); border-color: var(--accent); }
@media (max-width: 600px) { .lb-nav { top: auto; bottom: 22px; transform: none; } .lb-nav.prev { left: calc(50% - 60px); } .lb-nav.next { right: calc(50% - 60px); } }

/* pause the sky scene while it is off screen (saves CPU/GPU and battery) */
.sky.paused *, .sky.paused { animation-play-state: paused !important; }

/* ================= hero scene layout: edge-pinned side layers ================= */
.sky-side { inset: auto; top: auto; bottom: 0; height: 100%; width: auto; aspect-ratio: 520 / 900; max-width: 34vw; }
.sky-side.left { left: 0; }
.sky-side.right { right: 0; }
.hero::after { /* soft horizon glow behind the towers */
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 16%; z-index: 1; pointer-events: none;
  background: linear-gradient(transparent, rgba(var(--accent-rgb), 0.14));
}
@media (max-aspect-ratio: 23/20) { /* portrait / phones: keep the scene low and small */
  .sky-side { height: 40%; max-width: 46vw; opacity: 0.85; }
  .sky-side .ruler, .sky-side .float.slow, .sky-side .tag, .sky-side.left .links { display: none; }
}

/* ================= light theme: AI-RAN style hero ================= */
/* deep teal sky over white page, joined by a fade band (like the AI-RAN covers) */
html[data-theme="light"] { --hero-top: #04202f; --hero-bottom: #0f6283; }
html[data-theme="light"][data-accent="violet"] { --hero-top: #170a2c; --hero-bottom: #55298a; }
html[data-theme="light"][data-accent="mono"] { --hero-top: #0e0e11; --hero-bottom: #4a4b52; }
html[data-theme="light"] .hero {
  background:
    radial-gradient(ellipse at 50% 35%, rgba(var(--accent-rgb), 0.22), transparent 60%),
    linear-gradient(180deg, var(--hero-top), var(--hero-bottom));
}
html[data-theme="light"] .hero::after { background: linear-gradient(transparent, rgba(255, 255, 255, 0.12)); }
.hero-fade { display: none; }
html[data-theme="light"] .hero-fade {
  display: block; height: clamp(70px, 12vh, 140px); margin-bottom: calc(-1 * clamp(70px, 12vh, 140px));
  position: relative; z-index: 1; pointer-events: none;
  background: linear-gradient(var(--hero-bottom), var(--bg));
}

/* ================= 6G delivers (hero, left of the tower) ================= */
.g6stack text { font-family: var(--mono); font-size: 12px; }
.b6g { fill: var(--accent); filter: drop-shadow(0 0 8px rgba(var(--accent-rgb), 0.8)); }
.sky .g6stack .b6g-t { font-family: var(--display) !important; font-size: 15px !important; fill: var(--on-accent); text-anchor: middle; }
.g6 { pointer-events: auto; cursor: pointer; transform-box: fill-box; transform-origin: center; animation: g6pulse 16s ease-in-out infinite; }
.g6:hover .b6g { filter: drop-shadow(0 0 14px rgba(var(--accent-rgb), 1)); }
@keyframes g6pulse { 0%, 52%, 62%, 100% { transform: none; } 55% { transform: translateY(2px) rotate(-8deg); } 58% { transform: translateY(-2px) rotate(6deg); } }
.sky .chev text { fill: currentColor; font-size: 18px !important; font-weight: 700; opacity: 0.15; animation: chev 1.2s linear infinite; }
.chev text:nth-child(2) { animation-delay: 0.15s; } .chev text:nth-child(3) { animation-delay: 0.3s; } .chev text:nth-child(4) { animation-delay: 0.45s; }
@keyframes chev { 30% { opacity: 1; } 70%, 100% { opacity: 0.15; } }
.bracket { fill: none; stroke: rgba(var(--accent-rgb), 0.55); stroke-width: 1.4; }
.chips rect { fill: rgba(var(--accent-rgb), 0.08); stroke: rgba(var(--accent-rgb), 0.45); stroke-width: 1.2; animation: chip 4.8s ease-in-out infinite; }
.sky .chips text { fill: var(--text); }
.chips g:nth-child(2) rect { animation-delay: 1.2s; } .chips g:nth-child(3) rect { animation-delay: 2.4s; } .chips g:nth-child(4) rect { animation-delay: 3.6s; }
@keyframes chip { 0%, 30%, 100% { fill: rgba(var(--accent-rgb), 0.08); stroke: rgba(var(--accent-rgb), 0.45); } 12% { fill: rgba(var(--accent-rgb), 0.35); stroke: var(--accent); } }
/* 5G: sits, gets kicked into the sky, sneaks back */
.b5g { fill: rgba(142, 163, 184, 0.22); stroke: rgba(142, 163, 184, 0.7); stroke-width: 1.2; }
.sky .g6stack .b5g-t { fill: #b9c6d3; text-anchor: middle; font-size: 13px !important; }
.kick5g { animation: kick5g 16s cubic-bezier(.3, .6, .4, 1) infinite; }
@keyframes kick5g { /* flight path: up and away, then sneak back */
  0%, 56% { transform: none; opacity: 1; }
  60% { transform: translate(-60px, -160px); opacity: 1; }
  68% { transform: translate(-190px, -460px); opacity: 0; }
  90% { transform: translate(0, 40px); opacity: 0; }
  96%, 100% { transform: none; opacity: 1; }
}
.spin5g { transform-box: fill-box; transform-origin: center; animation: spin5g 16s cubic-bezier(.3, .6, .4, 1) infinite; }
@keyframes spin5g { 0%, 56% { transform: none; } 68% { transform: rotate(-720deg); } 69%, 100% { transform: none; } }
.sky .g6stack .bye5g, .sky .g6stack .thanks5g { fill: var(--text); opacity: 0; }
.bye5g { animation: bye5g 16s linear infinite; }
@keyframes bye5g { 0%, 56% { opacity: 0; } 58%, 64% { opacity: 1; } 68%, 100% { opacity: 0; } }
.thanks5g { text-anchor: middle; animation: thanks5g 16s linear infinite; }
@keyframes thanks5g { 0%, 46% { opacity: 0; } 49%, 60% { opacity: 1; } 64%, 100% { opacity: 0; } }
@media (max-aspect-ratio: 23/20) { .sky-side .g6stack { display: none; } }
@media (prefers-reduced-motion: reduce) { .g6, .chev text, .chips rect, .kick5g, .spin5g, .bye5g, .thanks5g { animation: none; } }
/* let clicks reach the 6G badge through the empty parts of the hero text box */
.hero-inner { pointer-events: none; }
.hero-inner > * { pointer-events: auto; }

/* ================= blog: share bar ================= */
.share { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; margin-top: 2.5rem; }
.share .mono { margin-right: 0.3rem; }
.share a, .share button {
  display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.45rem 0.9rem; border-radius: 99px; cursor: pointer;
  border: 1px solid var(--line); background: var(--surface); color: var(--text); font: 500 0.82rem var(--sans); transition: 0.2s;
}
.share a:hover, .share button:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }
.share svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 1.8; }

/* ================= blog: Ethiopian coffee menu ================= */
.support { margin-top: clamp(3rem, 7vw, 5rem); padding: clamp(1.5rem, 4vw, 2.5rem); border-radius: 20px; border: 1px solid var(--line);
  background:
    radial-gradient(ellipse at 100% 0%, rgba(196, 128, 64, 0.22), transparent 55%),
    radial-gradient(circle, rgba(var(--accent-rgb), 0.08) 1px, transparent 1.5px) 0 0 / 16px 16px, var(--surface); }
.support-head h2 { font-family: var(--display); font-weight: 400; font-size: clamp(1.15rem, 2.6vw, 1.5rem); margin: 0.4rem 0 0.5rem; }
.support-head p { color: var(--muted); margin: 0 0 1.4rem; }
.coffee-menu { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 0.8rem; }
.coffee {
  position: relative; display: flex; flex-direction: column; gap: 0.25rem; padding: 1.1rem 1rem 1rem; border-radius: 14px;
  border: 1px solid var(--line); background: var(--bg-2); color: var(--text); transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}
a.coffee[href]:hover { text-decoration: none; transform: translateY(-4px); border-color: #c48040; box-shadow: 0 14px 30px -14px rgba(196, 128, 64, 0.6); }
.coffee[aria-disabled="true"] { cursor: default; opacity: 0.8; }
.coffee b { font-size: 0.98rem; }
.coffee .note { font-size: 0.8rem; color: var(--muted); line-height: 1.4; }
.coffee .price { margin-top: auto; padding-top: 0.5rem; font-family: var(--mono); font-size: 0.85rem; color: #d79a5c; }
.cup { position: relative; font-size: 1.9rem; width: fit-content; line-height: 1.2; }
.cup i { position: absolute; bottom: 85%; width: 3px; height: 12px; border-radius: 3px; background: rgba(215, 154, 92, 0.6); opacity: 0; }
.cup i:nth-child(1) { left: 30%; } .cup i:nth-child(2) { left: 50%; } .cup i:nth-child(3) { left: 70%; }
.coffee:hover .cup i { animation: steam 1.6s ease-out infinite; }
.coffee:hover .cup i:nth-child(2) { animation-delay: 0.3s; } .coffee:hover .cup i:nth-child(3) { animation-delay: 0.6s; }
@keyframes steam { 0% { opacity: 0; transform: translateY(4px) scaleY(0.6); } 40% { opacity: 1; } 100% { opacity: 0; transform: translateY(-12px) scaleY(1.2); } }
.coffee-status { margin: 1rem 0 0; }
.jebena { width: 1.9rem; height: 1.9rem; display: block; }
.flag-et { width: 1.15em; height: 0.77em; vertical-align: -0.05em; border-radius: 2px; box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.15); }